William Shatner has revealed in a new interview that he has given up on trying to make peace with his "bitter" former Star Trek co-stars.

The 78-year-old, who shot to fame as Captain Kirk on the original 1960s show, admitted that his memories of the series have been tarnished by his feuds with ex-castmates.

Shatner claimed that he was stung when former co-star George Takei failed to invite him to his wedding to long-time partner Brad Altman last year. Meanwhile, the veteran actor reached a gentleman's agreement with Leonard Nimoy to never discuss the show in an effort to salvage their friendship.

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Shatner told the New York Post: "I've asked them numerous times to see if I can assuage their bitterness. I don't know what their problem is, quite frankly, so I've given up on trying to make it better.

"I don't like any ill-feeling, and if there was something I could do to correct it I would. But nothing seems to work."